Home / 35,384.56-53,061.70-12,000.40

Finding the Fourth Proportional to 35,384.56, 53,061.70 and 12,000.40

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Solution

The fourth proportional to 35,384.56, 53,061.70 and 12,000.40 is: 17,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.56 : 53,061.70 = 12,000.40 : x
  2. Step 2: Convert to fraction form
    35,384.56/53,061.70 = 12,000.40/x
  3. Step 3: Cross multiply
    35,384.56x = 53,061.70 × 12,000.40
  4. Step 4: Simplify right side
    35,384.56x = 636,761,624.68
  5. Step 5: Solve for x
    x = 636,761,624.68/35,384.56
  6. Step 6: Final answer
    x = 17,995.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.